Details

Description

before MASSEMBLY-331 (in 2.2-beta-3), assembly descriptor was read from plugin classloader: it switched inadvertently (apparently) to thread classloader.
In MNG-6209 for Maven 3.5.1, thread classloader evolves when plugin is flagged as extension and the assembly descriptor won't be available any more
using thread classloader was not really a good idea, even if it didn't hurt for years: but now, it hurts: a lot of MASSEMBLY ITs related to classpath resources fail with Maven 3.5.1-SNAPSHOT: